@charset "utf-8";
*,
*:before,
*:after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
  /* 去掉点击链接和文本框对象时默认的灰色半透明覆盖层(iOS)或者虚框(Android) */
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  color: #333;
  background-color: #f2f2f2;
  min-height: 100%;
  box-sizing: border-box;
  font-family: 'Helvetica Neue', Helvetica, STHeiTi, sans-serif;
  font-size: 14px;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  width: 100%;
  scroll-behavior: smooth;
}

input,
select,
textarea {
  -webkit-appearance: none;
  -moz-appearance: none;
  -ms-appearance: none;
  appearance: none;
  font-size: 100%;
}

button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
  margin: 0;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

button,
input[type='button'],
input[type='reset'],
input[type='submit'] {
  cursor: pointer;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

img {
  vertical-align: middle;
  border: 0;
  max-width: 100%;
}

fieldset {
  border: 0;
}

abbr,
acronym {
  border: 0;
  font-variant: normal;
}

del {
  text-decoration: line-through;
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
  font-style: normal;
  font-weight: 500;
}

ol,
ul,
menu {
  list-style: none;
}

caption,
th {
  text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: 500;
}

q:before,
q:after {
  content: '';
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

ins,
a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

pre {
  white-space: pre-wrap;
  /* css-3 */
  white-space: -moz-pre-wrap;
  /* Mozilla, since 1999 */
  white-space: -pre-wrap;
  /* Opera 4-6 */
  white-space: -o-pre-wrap;
  /* Opera 7 */
  word-wrap: break-word;
  /* Internet Explorer 5.5+ */
  line-height: 20px;
}

a:hover,
a:active,
a:focus {
  outline: 0;
  color: #507daf;
}

